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April 1974

Intraocular Light Scattering: Theory and Clinical Application.

Arch Ophthalmol. 1974;91(4):333. doi:10.1001/archopht.1974.03900060343022

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This 121-page book presents, in five chapters, the essentials on physical theory, structural peculiarities of normal and abnormal transparent tissues of the eye, the effects of changes in transmissiveness of the dioptric media on the clarity of retinal images, measurements and evaluation of vision loss in relation to structural changes, and means of improving vision by methods presently available and being developed.

The first chapter is concerned with the theory of light scattering. In a turbid medium a light beam loses energy in proportion to the density of scattering particles. When density is less than half the wavelength of light, no scatter occurs. In the normal transparent tissue of the eye the elements of cellular structures are so tightly packed that they are transparent. Electron micrographs of normal and edmatous corneal stroma serve as illustrations. In the lens cataract formation is responsible for light scattering leading to the sensation of

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